73685868 has 24 divisors (see below), whose sum is σ = 177863280. Its totient is φ = 23714880.

The previous prime is 73685809. The next prime is 73685881. The reversal of 73685868 is 86858637.

It is a self number, because there is not a number n which added to its sum of digits gives 73685868.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 105523 + ... + 106218.

It is an arithmetic number, because the mean of its divisors is an integer number (7410970).

Almost surely, 2^73685868 is an apocalyptic number.

It is an amenable number.

73685868 is an abundant number, since it is smaller than the sum of its proper divisors (104177412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73685868 is a wasteful number, since it uses less digits than its factorization.

73685868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211777 (or 211775 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 51.

The square root of 73685868 is about 8584.0472971670. The cubic root of 73685868 is about 419.2387343901.

The spelling of 73685868 in words is "seventy-three million, six hundred eighty-five thousand, eight hundred sixty-eight".